[
https://issues.apache.org/jira/browse/FLINK-23107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17377058#comment-17377058
]
Jingsong Lee commented on FLINK-23107:
--------------------------------------
[~icshuo] Thanks, assigned to you~
> Separate deduplicate rank from rank functions
> ---------------------------------------------
>
> Key: FLINK-23107
> URL: https://issues.apache.org/jira/browse/FLINK-23107
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Reporter: Jingsong Lee
> Assignee: Shuo Cheng
> Priority: Major
> Fix For: 1.14.0
>
>
> SELECT * FROM (SELECT *, ROW_NUMBER() OVER (PARTITION BY d ORDER BY e DESC)
> AS rownum from T) WHERE rownum=1
> Actually above sql is a deduplicate rank instead of a normal rank. We should
> separate the implementation for optimize the deduplicate rank and reduce bugs.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
